perfect vacuum


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perfect vacuum

[′pər·fikt ′vak·yəm]
(physics)
References in periodicals archive ?
Everything the perfect vacuum cleaner should have - but not all in the same model.
Best Buy: Dyson, the Perfect Vacuum for Pet Owners, with Animal Turbo Tool and Carpet Care Kit, $499.
For one thing it depended upon a battery that delivered a sustainable charge of electricity, as well as on a perfect vacuum within the glass bulb.
The material houses 100,000 light detectors, similar to a retina's cone and rod cells; it's painstakingly assembled atom by atom inside a perfect vacuum, a place with zero matter, including basic elements found in air, like oxygen.
at a temperature of 20[degrees]C in a perfect vacuum.
Among the leading industries of the Third Wave, he identified not only those we've heard so much about (computers, software, telecommunications, biotech), but some that haven't yet made many headline splashes: oceanics, or mining the oceans for food, minerals, and new forms of energy; and industry in space, capitalizing on the efficiencies derivable from little gravity, extreme temperatures, and a perfect vacuum.
Indeed, a perfect vacuum does not exist and probably cannot exist in the Universe.
I remember two particular students who asked how temperature could be measured in a perfect vacuum near absolute zero.
Apart from his monumental nonfiction volume on futurology and socio - cybernetics, Summa Technologiae (1964), his many novels include Sledztwo (1959; translated as The Investigation , 1974), Niezwyciezony i inne opowiadania (1963; translated as The Invincible , 1973), Cyberiada (1965; translated as The Cyberiad , 1974), and Doskonala proznia (1971; translated as A Perfect Vacuum , 1979), which contains parodic reviews of nonexistent books, spoofing purely rational and pedantic approaches to science and literature.